JP2007537559A - 二次元光記憶システムのスポット収差 - Google Patents
二次元光記憶システムのスポット収差 Download PDFInfo
- Publication number
- JP2007537559A JP2007537559A JP2007512695A JP2007512695A JP2007537559A JP 2007537559 A JP2007537559 A JP 2007537559A JP 2007512695 A JP2007512695 A JP 2007512695A JP 2007512695 A JP2007512695 A JP 2007512695A JP 2007537559 A JP2007537559 A JP 2007537559A
- Authority
- JP
- Japan
- Prior art keywords
- bit
- record carrier
- optical
- aberrations
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/013—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
- G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04102106 | 2004-05-13 | ||
PCT/IB2005/051541 WO2005112011A1 (en) | 2004-05-13 | 2005-05-11 | Spot aberrations in a two-dimensional optical storage system |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007537559A true JP2007537559A (ja) | 2007-12-20 |
Family
ID=34967716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007512695A Withdrawn JP2007537559A (ja) | 2004-05-13 | 2005-05-11 | 二次元光記憶システムのスポット収差 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080008061A1 (de) |
EP (1) | EP1751751B1 (de) |
JP (1) | JP2007537559A (de) |
KR (1) | KR20070012850A (de) |
CN (1) | CN100481218C (de) |
AT (1) | ATE409340T1 (de) |
DE (1) | DE602005009949D1 (de) |
TW (1) | TW200614205A (de) |
WO (1) | WO2005112011A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4727620B2 (ja) * | 2007-05-11 | 2011-07-20 | シャープ株式会社 | 光再生装置 |
KR101575072B1 (ko) * | 2014-10-21 | 2015-12-07 | 숭실대학교산학협력단 | 2차원 데이터 구조에서 심볼 간 간섭을 보상하는 방법 및 장치, 이를 수행하기 위한 기록매체 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5491678A (en) * | 1990-05-25 | 1996-02-13 | Hitachi, Ltd. | Method and apparatus for recording/reproducing information data in a two-dimensional format |
US5774444A (en) * | 1990-05-25 | 1998-06-30 | Hitachi, Ltd. | Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam |
US5483511A (en) * | 1993-02-17 | 1996-01-09 | Vixel Corporation | Multiple beam optical memory system with solid-state lasers |
JP3224901B2 (ja) * | 1993-05-06 | 2001-11-05 | パイオニア株式会社 | 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法 |
JP3267752B2 (ja) * | 1993-07-05 | 2002-03-25 | パイオニア株式会社 | 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法 |
US5619487A (en) * | 1994-08-10 | 1997-04-08 | Nippon Telegraph And Telephone Corporation | Optical data readout with two beams on three tracks |
US5808988A (en) * | 1995-02-15 | 1998-09-15 | Hitachi, Ltd. | Reproduction of optical information by one-beam optics with reduced crosstalk as recorded in multi-phases and multi-levels at staggered lattice points, and apparatus and recording medium therefor |
US5959953A (en) * | 1996-07-03 | 1999-09-28 | Zen Research Nv | Methods and apparatus for performing cross-talk correction in a multi-track optical disk reader based on magnification error |
JP2001167435A (ja) * | 1999-12-03 | 2001-06-22 | Fujitsu Ltd | 光ディスク記録方法及び光ディスク再生方法並びにその方法を利用した光記録媒体、光ディスク装置 |
US6940805B2 (en) * | 2001-10-23 | 2005-09-06 | Dragsholm Wireless Holdings Llc | Methods and apparatus for cross-talk and jitter reduction in multi-beam optical disks |
EP1493148B1 (de) * | 2002-03-29 | 2009-07-08 | Koninklijke Philips Electronics N.V. | Aufzeichnungsverfahren eines optischen aufzeichnungsmediums |
-
2005
- 2005-05-11 EP EP05739832A patent/EP1751751B1/de not_active Not-in-force
- 2005-05-11 US US11/568,811 patent/US20080008061A1/en not_active Abandoned
- 2005-05-11 JP JP2007512695A patent/JP2007537559A/ja not_active Withdrawn
- 2005-05-11 CN CNB2005800153006A patent/CN100481218C/zh not_active Expired - Fee Related
- 2005-05-11 DE DE602005009949T patent/DE602005009949D1/de not_active Expired - Fee Related
- 2005-05-11 WO PCT/IB2005/051541 patent/WO2005112011A1/en active IP Right Grant
- 2005-05-11 KR KR1020067025852A patent/KR20070012850A/ko not_active Application Discontinuation
- 2005-05-11 AT AT05739832T patent/ATE409340T1/de not_active IP Right Cessation
- 2005-05-12 TW TW094115458A patent/TW200614205A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
CN1954373A (zh) | 2007-04-25 |
US20080008061A1 (en) | 2008-01-10 |
CN100481218C (zh) | 2009-04-22 |
EP1751751A1 (de) | 2007-02-14 |
ATE409340T1 (de) | 2008-10-15 |
KR20070012850A (ko) | 2007-01-29 |
TW200614205A (en) | 2006-05-01 |
DE602005009949D1 (de) | 2008-11-06 |
WO2005112011A1 (en) | 2005-11-24 |
EP1751751B1 (de) | 2008-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080509 |
|
A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20090911 |